A verified Twitter account of a United Kingdom government official tweeted an allegation that Russia forces have used chemical weapons in an attack on the city or Mariupol.
'You've also spoken extensively about Fox News being a purveyor of disinformation, but CNN is right up there with them,' first-year student tells Stelter.
A Ukrainian official promised an "immediate investigation" on Sunday after graphic videos made the rounds on social media over the weekend, reportedly showing beaten and bloodied captured Russian soldiers being shot in the legs by Ukrainian forces.
